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Remove some needless recursion from compound SELECT processing.

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FossilOrigin-Name: fe677d13f03e24fa667efc0c2e7f5bbb99521791
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drh
2015-01-05 15:48:45 +00:00
parent a780d8d767
commit b87fbed5a3
3 changed files with 27 additions and 26 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C In\sreleasetest.tcl,\somit\sthe\sCC=clang\stext\sfrom\sthe\slabel\son\sSanitize\stests,\nso\sthat\sthe\slabel\sfits\son\san\s80-character\sline. C Remove\ssome\sneedless\srecursion\sfrom\scompound\sSELECT\sprocessing.
D 2015-01-03T18:59:17.732 D 2015-01-05T15:48:45.607
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 335e2d3ff0f2455eacbfa3075fc37495e3321410 F Makefile.in 335e2d3ff0f2455eacbfa3075fc37495e3321410
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -228,7 +228,7 @@ F src/printf.c 9e75a6a0b55bf61cfff7d7e19d89834a1b938236
F src/random.c ba2679f80ec82c4190062d756f22d0c358180696 F src/random.c ba2679f80ec82c4190062d756f22d0c358180696
F src/resolve.c f6c46d3434439ab2084618d603e6d6dbeb0d6ada F src/resolve.c f6c46d3434439ab2084618d603e6d6dbeb0d6ada
F src/rowset.c eccf6af6d620aaa4579bd3b72c1b6395d9e9fa1e F src/rowset.c eccf6af6d620aaa4579bd3b72c1b6395d9e9fa1e
F src/select.c f377fb8a5c73c10678ea74f3400f7913943e3d75 F src/select.c 28cf616a8791ff154be86bd9a3f888440f618e78
F src/shell.c 45d9c9bd7cde07845af957f2d849933b990773cf F src/shell.c 45d9c9bd7cde07845af957f2d849933b990773cf
F src/sqlite.h.in ed799ff5c814227c7957eb4f4a217f67fdc0da48 F src/sqlite.h.in ed799ff5c814227c7957eb4f4a217f67fdc0da48
F src/sqlite3.rc 992c9f5fb8285ae285d6be28240a7e8d3a7f2bad F src/sqlite3.rc 992c9f5fb8285ae285d6be28240a7e8d3a7f2bad
@@ -1234,7 +1234,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P e0de580726a0ed35565783ed14440ef9bcdc3a3d P 23d4c07eb81db5a5c6beb56b5820f0b6501f1fb6
R f6cee47d01cb42bf3184c460b0355569 R 11413a03283b5c5b28fd422ab566eba3
U drh U drh
Z f9858d5c3468a9943c6533c5ebc7e99c Z 4fbaf4abfb36941c7ce4c15be9a07b21

2
manifest.uuid
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@@ -1 +1 @@
23d4c07eb81db5a5c6beb56b5820f0b6501f1fb6 fe677d13f03e24fa667efc0c2e7f5bbb99521791

39
src/select.c
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@@ -58,20 +58,25 @@ struct SortCtx {
#define SORTFLAG_UseSorter 0x01 /* Use SorterOpen instead of OpenEphemeral */ #define SORTFLAG_UseSorter 0x01 /* Use SorterOpen instead of OpenEphemeral */
/* /*
** Delete all the content of a Select structure but do not deallocate ** Delete all the content of a Select structure. Deallocate the structure
** the select structure itself. ** itself only if bFree is true.
*/ */
static void clearSelect(sqlite3 *db, Select *p){ static void clearSelect(sqlite3 *db, Select *p, int bFree){
sqlite3ExprListDelete(db, p->pEList); while( p ){
sqlite3SrcListDelete(db, p->pSrc); Select *pPrior = p->pPrior;
sqlite3ExprDelete(db, p->pWhere); sqlite3ExprListDelete(db, p->pEList);
sqlite3ExprListDelete(db, p->pGroupBy); sqlite3SrcListDelete(db, p->pSrc);
sqlite3ExprDelete(db, p->pHaving); sqlite3ExprDelete(db, p->pWhere);
sqlite3ExprListDelete(db, p->pOrderBy); sqlite3ExprListDelete(db, p->pGroupBy);
sqlite3SelectDelete(db, p->pPrior); sqlite3ExprDelete(db, p->pHaving);
sqlite3ExprDelete(db, p->pLimit); sqlite3ExprListDelete(db, p->pOrderBy);
sqlite3ExprDelete(db, p->pOffset); sqlite3ExprDelete(db, p->pLimit);
sqlite3WithDelete(db, p->pWith); sqlite3ExprDelete(db, p->pOffset);
sqlite3WithDelete(db, p->pWith);
if( bFree ) sqlite3DbFree(db, p);
p = pPrior;
bFree = 1;
}
} }
/* /*
@@ -130,8 +135,7 @@ Select *sqlite3SelectNew(
pNew->addrOpenEphm[0] = -1; pNew->addrOpenEphm[0] = -1;
pNew->addrOpenEphm[1] = -1; pNew->addrOpenEphm[1] = -1;
if( db->mallocFailed ) { if( db->mallocFailed ) {
clearSelect(db, pNew); clearSelect(db, pNew, pNew!=&standin);
if( pNew!=&standin ) sqlite3DbFree(db, pNew);
pNew = 0; pNew = 0;
}else{ }else{
assert( pNew->pSrc!=0 || pParse->nErr>0 ); assert( pNew->pSrc!=0 || pParse->nErr>0 );
@@ -156,10 +160,7 @@ void sqlite3SelectSetName(Select *p, const char *zName){
** Delete the given Select structure and all of its substructures. ** Delete the given Select structure and all of its substructures.
*/ */
void sqlite3SelectDelete(sqlite3 *db, Select *p){ void sqlite3SelectDelete(sqlite3 *db, Select *p){
if( p ){ clearSelect(db, p, 1);
clearSelect(db, p);
sqlite3DbFree(db, p);
}
} }
/* /*